Finding the Fourth Proportional to 345,858.36, 477,464.94 and 245,496.12
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Solution
The fourth proportional to 345,858.36, 477,464.94 and 245,496.12 is: 338,912.70
Step by Step Solution
- Step 1: Write the proportion equation
345,858.36 : 477,464.94 = 245,496.12 : x - Step 2: Convert to fraction form
345,858.36/477,464.94 = 245,496.12/x - Step 3: Cross multiply
345,858.36x = 477,464.94 × 245,496.12 - Step 4: Simplify right side
345,858.36x = 117,215,790,206.03 - Step 5: Solve for x
x = 117,215,790,206.03/345,858.36 - Step 6: Final answer
x = 338,912.70
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.